| Item Name | Washer Key |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-131-2948 (011312948) |
| NCB Code | USA (01) |
| Manufacturer | Nimikkeistokeskus Ncb Finland, Woodward Hrt Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.200 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 0.370 INCHES NOMINAL |
| ABKY | EXTERNAL PREBENT KEY LENGTH | 0.050 INCHES NOMINAL |
| ABLF | EXTERNAL PREBENT KEY WIDTH | 0.100 INCHES NOMINAL |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | 0.580 INCHES NOMINAL |
| ABMQ | EXTERNAL KEY QUANTITY | 7 |
| ABPX | MATERIAL THICKNESS | 0.020 INCHES NOMINAL |
| CSKN | EXTERNAL PREBENT KEY ANGLE | 18.0 DEGREES MINIMUM AND 22.0 DEGREES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 321 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6721 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | PS 13001,TYPE 1,FSCM 81873 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Components Related to NSN - 5310-01-131-2948, 5310011312948 | ||||
| 5340-01-631-5368 (5340016315368) | 5330-01-297-3590 (5330012973590) | 5360-00-245-2131 (5360002452131) | 5365-01-571-1663 (5365015711663) | |
| 5342-01-255-3551 (5342012553551) | 5330-01-556-4440 (5330015564440) | 5330-01-613-3472 (5330016133472) | 5342-01-259-3873 (5342012593873) | |
| 5340-00-575-1873 (5340005751873) | 5310-00-151-9032 (5310001519032) | 5315-01-622-0550 (5315016220550) | 5340-01-429-0419 (5340014290419) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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